Vehicle ventilating apparatus



May 28, 1935. D. B. LEE 2,002,899

VEHICLE VENTILATING APPARATUS Filed April 30, 19.34 2 Sheets-Sheet l NTOR ATTORN EYJ May 28, 1935. D. B. LEE

VEHICLE VENTILATING APPARATUS Filed Aprii so, 1934 2 Sheets-Sheet 2 m w m 0 a I: 7. 5 M w a 2 a 5 J7 W/ Z l5 a 1 a wr WU Q mm ATTORNEY-7' Patented May 28, 1935 1 j V I "UNITED STATES PATENTfOFFEEf g 2,002,899 I VEHICLE vanrnn'rmo APPARATUS Dwight B. Lee, Detroit, Mich; Application April 30, 1931, SerialNo. 7235254 r V V solai s, (01. 296-44) v This invention relates to vehicle ventilating view taken substantially on the plane indicated apparatus and more particularly to improvebyline 8--8 inFigure 3;

ments in that type of ventilating window shown Figure 9 is a perspective View of the housingv amddescribed in my copending application, Seor supporting frame for the. worm gearing of rial No. 691,882; a I V the pivotedpaneloperating meansand 5 Ventilating window constructions of the type Figure 10is a perspective view of the worm to whichthis invention pertains comprise a comretainer or: trunnion bearing member,

posite window including pivoted and sliding Asdescribed in'my copending application here,- panels operable independently of one another! tofore referred to, the herein described type of 10 in effecting the control of the ventilating winventilatingwindow'structure'comprisesa pivoted 10v dew; and also operable as aunit so that they panel:P and a sliding panel '5 adapted: to i may be simultaneously raised into and lowered cooperate to close a window opening 20 arranged,

from the window opening. V for instance; inthe door. 2! of a motor vehicle The type of construction just referred to inor theqlike 22'. 7 Y

cludesa frame in whichthe pivoted'panel is T-The pivoted panel: P is pivotally supported 5 mounted which frame is adapted one posiintermediate its vertical edges by'rmeans of: pivots tion of the parts to be raised into registration 23 and 24 one framenii adapted to be raised with the window opening, this frame carrying into registrationumith the window, opening means operatively' associated with the pivoted and lowered into the well ofthe door in any 20 panelfor swinging the pivoted panel about its suitable manner, preferably by means of a'w'in- 20 pivots when the frame has been brought intol dew lifter mechanism indicated generally by the registration with the window opening. reference .charaolteryfi having an operating One of the important objects of this invention handle 21. The reference character 28 indicates is, topr-ovid'ean improved construction of means the customary in which the frame 25 for actuating the pivoted panel so designed that slideswhen'being'raised intoand out of-registra- 25 the "same 'may be quickly and economically tion with the window opening. Means-controlled manufactured and assembled-with facility. by a handle 2911s adaptedeither to couple the 7 Title several objects, advantages and"nove1 deframe 25v with. the retainer. 311' of the window tails of construction of the'invent-ion will be lifter; mechanism 25 so that the frame, together 30 made more apparent as this description prowith the. front panel, may be simultaneously 30 ceeds, especially when considered inconnection andlowered, or. to; uncouple the frame with the accompanying drawings, wherein '25 from the retainer 38 andto couple the same Figure '1 is'a fragmentary perspective view'of with a fixed part of the-door or window casingthe inside portion of the front 'of a closed 'veso. that the-sliding panel Samaylbe raised and hicle body having my improvedventilating winloweredindependently of the .frameand pivoted 35 dow associated therewith; j I "The means for accomplishing this .isnot Figure 2 is an enlarged fragmentaryelevation shown inthe accompanying drawings and will' a1 view of the pivoted panel, the, associated polfnot heherein describedi-n detail as the details tion" of its supporting frame, and the operating of this construction form no part of the present 9 means for the panel; V invention 1 V a r ,7

3 is an enlarged fragment ry S ti al I When the-frame 25 israised into registration elevational View showing thepivoted panel p with the window *opening: the operating crating means; mechanism for the pivoted panel P, yet to be Fig is a Sectional -k sta a described more-in detail, comes'into registraly on the plane indicated by line 4-4=in Figtion with an operating member 3| rotatably 45 -ure-3;- r a 5 mounted in 'a fixed bearing 32' on the inner "Fig-ure- 5 is a vertical-sectional view taken subpaneiu' of the vehicle body or door. stantiallyon the plane indicated by lineitl-uin Extending transversely of the frame 25 is a Figure :3; substantially horizontal frame member 32. A

59 Figure fic'is a similar taken substantially vertically arranged frame member 33 may be on the'plane, indicated-byline'fi- -i in Figure 3; 7 provided extending vertically between the frame Figure 7 is a ve t Wi i al View taken sub- 3 am the top portionof. the frame 2 5, this'frame 'stantially on the p an i d aied y line -1.. n inem-ber 33., cooperating with the adjacent por- Figure 3; o 3

- a tion ofthe frameiito-define the opening-adapt- Figure 8 is afragmentaryhori-zontal sectional edt to be closed byfthe pivoted panelzP. In the 66 bore 38 is. provided witha' keyway. 46.

present form of the invention herein illustrated, the pivoted panel P is provided with a mechanism in the from of worm gearing. In accordance with this invention, the worm gear housing or supporting frame is preferably formed in one piece as a die casting, the same being illustrated in Figure 9 and designated generally by the reference character 34. This housing or frame is provided with one or more transversely extending openings through which securing elements 36 maybepassed for attaching the frame or housing to the frame 25-32. I

The housing is provided with a portion 31 formed with a longitudinally extending substan tially vertically arranged bore or opening 38' andwith a cooperating portion 39 having an aligned bore or opening 40. These aligned openings are adapted 'to receive and rotatably support the shaft 4| of a worm wheel or gear 42. In assembling the shaft and worm wheel with the housing 34, the worm is positionedin: the space143 between the housing portions.3l and-39 and the shaft is inserted from the top and passed downwardly through thebore 38 thence through an opening in the hub of the gearwheel; and'thence :into the bore40'of1the housing part 39. :This

shaft 4| isvprovided with a key 44 which" engages a keyway 45 in the gear zwheel=42. The shaft and key have a tight pressed fit with the gear wheel, but the shaft is dimen'sionedto rotate in the bores 38 and 40. In order to permit the insertion of the key portion ofthe shaft 4| the Prior to the assembly of the shaft with thelhousing 34, a thrust plate 41. is slipped .over ltheushaft 4| from the lower-end thereof; this thrust plate resting on the upper face of the housing portion 31 and engaging an enlargedend portion 49 of the shaft 4|. V

Rigidly fixed, suchas by riveting, to the upper end of the shaft 4| is aplate 50 which is secured, as for instance bysecuring elements 5|,-to the frame 52 of the pivoted panel P. V

The shaft 4| constitutes the lower pivot 24 of the panel P heretoforereferredto.i For'the purpose of facile, assembly,'the1width of the attaching plate 5|! and the diameterlof the enlarged. portion 49 of the shaft 4|, aswell as the width' of the housing portion 31, is such: that these parts may belassernbled with the frame part 32 by inserting the same upwardly from the bottom. Thereafter the housing may be attached to the frame by the fastening elements 36 and the attaching plate 50 may be secured to the frame 10f thepivoted panel by operating the gearing to bring the attachingiplate tolan anguylar position with respectto the frame to permit the insertion from below of .the attaching elements5|. w a

After the shaft 4| is assembled with the worm wheel42, disengagement of these parts fromthe housing is prevented by theengagement of the enlarged shaft portion 49 and thrust plate 41 with the housing 34 on the one hand, and the engagement of the upper end face of the gear wheel 42 against the, housing on the otherhand.

To further facilitate theassembly of this unit, and to eliminate the necessity of exercising extreme accuracy, which from a-practical standpoint is impossible in production, means is provided for mounting the worm-of the worm-gear unit in movable trunnion bearings with means for urgingthe worm constantly into operative engagement with the worm wheel. This construction which is about to be described also proat right angles to the axis of the shaft 4|.

vides a simple means of taking up wear between the worm and worm wheel and is otherwise highly satisfactory.

The worm 53 preferably has the shaft or trunnions 54 thereof journalled in bushings 55 which in turn are mounted in a retainer 56, shown in perspective view in Figure I0. These bushings are preferably each formed with a rectangular portion 51 which is received in recesses 58 formed inthe opposed vertical faces of the side plates 59 of the retainer 56. These side plates are provided with beveled longitudinal edges adapted to be received in beveled undercut portions 6| which form a slideway to slidably recei-ve the retainer for movement in a plane The ends'of the trunnions or shaft 54 of the worm extend through open ended slots 52 formed in the side plates of the retainer so that the bushings 55 and the worm may be readily assembled with theretainer through the open ends of these slots 62."

, The two side plates 59 of the retainer ere connectedby a cross piece 63 against which .one

end of a coil spring 64 is adapted toengage, the

sembled the spring acts to constantly urge the retainer and, as a consequence, the worm toward the. worm wheel'42 into operative engagement therewith. j

'In assembling'the unit, the retainer and spring and worm are first assembled with the housing 34 andthe retainer is drawn against the spring to'compress the same. With these parts held in this position, the shaft 4| and the worm wheel 42 are assembled as heretofore described whereupon the retainer is released and the worm is broughtinto meshing relation with the worm wheel. I 7 i It is obvious that ifthe axis of theworm were fixed with relation to the axis of the worm wheel 1 extreme accuracy, practically impossible in mass production, wouldbe necessary in order to insure proper engagement between the worm and the worm wheel. However, with the present arrangement such accuracy is unnecessary and in addition wear between the gear parts is compensated for because theworm is constantly urged into operative engagement with the worm wheel and any inaccuracy in manufacture is compensated for. r 7

Moreover, with the herein described construction, the assembly consisting of the housing 34 and the Worm gearing with the associated parts may be assembled as a unit and as such assembled with the frame 25-32 and the pivoted ed panel about its pivots. The construction of these engaging gear sections 66-61 is such that the frame, together with the gear housing'and parts carried thereby, may be raised and lowered the character described, a frame, a panel pivot ally mounted in said frame, a gear supporting frame secured to said first frame, aworm wheel rotatably mounted on said supporting frame, a

retainer slidably mounted on said supporting frame, a worm carried by said retainer, and

means for urging said retainer toward said worm wheel.

2. In a ventilating window construction of the character described, a frame, a panel pivotally mounted in said frame, a gear supporting frame secured to said first frame, a worm wheel rotatably mounted on said supporting frame, a retainer having portions engaging ways on said supporting frame for slidably mounting said retainer thereon, a worm having trunnions journalled on said retainer, and spring means urging said retainer toward said worm wheel and holding said worm in engagement with said worm wheel;

3. In a ventilating window construction of the character described, a frame, a panel pivotallymounted in said frame, a gear supporting frame secured to said first frame, a worm wheel rotatably mounted on said supporting frame, a

retainer provided with longitudinally extending beveled surfaces and opposed open ended slots at one end thereof, undercut'portions on said supportingframe forming ways to receive said longitudinally extending beveled surfaces to slidably support said retainer, a worm having trunnions journalled in said open ended slots,

and resilient means interposed between said supporting frame and said retainer for urging the latter in a direction to hold said worm :in engagement with said wormwheel.

mounted in said frame, a gear supporting frame secured to the first named frame, a worm wheel rotatably mounted on said supporting frame, a retainer slidably mounted on the supporting frame for movement toward the worm wheel and having the opposite edges engaging ways on said supporting frame, and a worm carried by the retainer and adapted to mesh with the worm wheel.

5. In a ventilating window construction for vehicle bodies having a window opening therein and having a well beneath the window opening, a frame insertable into the window opening, a

'panel adapted to close a portion of the window opening pivotally mounted in the frame, a gear supporting frame located in the window well and secured to the frame aforesaid, a worm wheel secured to a shaft journalled upon the supporting frame and having the upper end fixed to the pivoted panel forming one of the pivots of the latter, and aworm alsomounted on the supporting frame and-adapted to mesh with the worm wheel.

DWIGHTB. LEE.

v 4. In a ventilating window construction of thecharacter described, a frame, a panel pivotally 

